= Noise (signal processing)
{wiki=Noise_(signal_processing)}
In signal processing, "noise" refers to any unwanted or irrelevant information that distorts or interferes with the desired signal. Noise can originate from various sources and can exhibit different characteristics, depending on its nature. There are several types of noise, including: 1. **White Noise**: Contains equal intensity at different frequencies and is often characterized by a flat spectral density. It is analogous to the sound of static.
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